1. Look argue with the definition. It means shortage.
2. :shrug:
3. So let's say the economy grows 3% per year for the next ten years, if the top 10% ingests 97% of all wealth created in that time, would you call that a success?\
4. You might be on to something if you stop and read what you said carefully.....You can't separate social problems and issues from the question of growth and efficiency. After all, who are we doing this for if not the people in the economy that we're trying to grow!!
5. The combine (farm implement) displaced millions of farm workers, but there were lots of other jobs that machines couldn't do.
The answer to the most significant invention in the last 500 years is the steam engine. It was able to do physical labor much more efficiently than people and animals. This freed people up to pursue more intellectually driven occupations (and the economy grew). What is AI? Where steam engines displaced physical labor, AI will displace intellectual labor. What's left? Creativity? Between Labor, intellect and creativity, creativity is the trait that we have as a specie in the least abundance. I suspect that as automation, AI, robots whatever you want to call it displace human workers, those that aren't the owners of production or very creative will have difficulty finding work.
Using the past as an indication of the future is generally a good idea, but now you're going to have to look beyond what you think you know, toss you're intuition out the window because we are on the cusp of a paradigm shift as significant as the steam engine. You're going to have to innovate in you're thinking when it comes to AI, because it will (and already is) doing the jobs of millions of people.
The steam engine was invented in the early 1700's, but it was Watt in 1765 (1) who revolutionized it. By 1800 (2) the steam engine was in wide use. and really allowed world populations to grow
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6. By that definition EVERYTHING is scarce and is therefore a meaningless definition when discussing economics.
7. Again, you cannot decouple the two.